K-factor rated transformers

K-factor rated transformers are capable of withstanding the heating effects caused by harmonic load currents. They are specially designed for non-linear harmonics generating loads. K-factor transformers are also known as…

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Magnetization inrush current in a transformer

Transformer inrush current or magnetization inrush current is a transient input current drawn by a transformer during its energization. Depending on several factors, the magnitude of the magnetization inrush current…

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Ideal Transformer

A transformer is an AC device used to step down or step up voltages. To visualize the current flow and other circuit properties of a transformer, certain assumptions are made,…

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An overview of Electric Machines

Electricity does not exist naturally in any useful form. It has to be generated from any other sources of energy such as solar, wind, hydro, thermal, atom, etc. Photovoltaic cells…

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Types of electric transformers

You might have come across various types of transformers in your daily life either knowingly or unknowingly. This article illustrates various transformer types. Before getting into classification, here is a…

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Voltage regulation of transformers

Voltage regulation of transformers can be a little tricky to understand. Every piece of equipment is designed to operate at a particular voltage or voltage range. Therefore, it is a…

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